Classic Crosswords Classic Nature Medium — Set 18
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 2 To sort things into groups based on their features
- 5 A glass building for growing plants or the warming effect on Earth
- 8 To write down information for later use
- 9 A path that electricity travels along
- 10 To find the size, amount, or degree of something
Down
- 1 Any living thing such as a plant or animal
- 3 The smallest piece of matter that makes up everything
- 4 How hot or cold something is
- 6 How tightly packed the matter is in something
- 7 A state of matter that holds its shape
Answers
- 2 Across: To sort things into groups based on their features (8)CLASSIFY
- 5 Across: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 8 Across: To write down information for later use (6)RECORD
- 9 Across: A path that electricity travels along (7)CIRCUIT
- 10 Across: To find the size, amount, or degree of something (7)MEASURE
- 1 Down: Any living thing such as a plant or animal (8)ORGANISM
- 3 Down: The smallest piece of matter that makes up everything (4)ATOM
- 4 Down: How hot or cold something is (11)TEMPERATURE
- 6 Down: How tightly packed the matter is in something (7)DENSITY
- 7 Down: A state of matter that holds its shape (5)SOLID
🔬 Science Crossword #2
13×13 grid
Across
- 3 The natural home of an animal or plant
- 6 A tiny particle of light energy
- 7 A quick back-and-forth movement
- 9 To find the size, amount, or degree of something
Down
- 1 A form of energy that allows us to see
- 2 A tool that makes very tiny things look bigger
- 4 The steps followed to do an experiment
- 5 A group of living things that are the same kind
- 8 A hard solid piece of the Earth made of minerals
Answers
- 3 Across: The natural home of an animal or plant (7)HABITAT
- 6 Across: A tiny particle of light energy (6)PHOTON
- 7 Across: A quick back-and-forth movement (9)VIBRATION
- 9 Across: To find the size, amount, or degree of something (7)MEASURE
- 1 Down: A form of energy that allows us to see (5)LIGHT
- 2 Down: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 4 Down: The steps followed to do an experiment (9)PROCEDURE
- 5 Down: A group of living things that are the same kind (7)SPECIES
- 8 Down: A hard solid piece of the Earth made of minerals (4)ROCK
🔬 Science Crossword #3
13×13 grid
Across
- 1 To write down information for later use
- 3 A material that electricity or heat can pass through easily
- 5 A path that electricity travels along
- 6 A natural solid substance found in the earth
- 7 When a solid mixes into a liquid and seems to disappear
- 8 The passing of traits from parents to their children
Down
- 2 The wearing away of land by water, wind, or ice
- 4 When light bounces off a surface like a mirror
- 6 To find the size, amount, or degree of something
Answers
- 1 Across: To write down information for later use (6)RECORD
- 3 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 5 Across: A path that electricity travels along (7)CIRCUIT
- 6 Across: A natural solid substance found in the earth (7)MINERAL
- 7 Across: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 8 Across: The passing of traits from parents to their children (8)HEREDITY
- 2 Down: The wearing away of land by water, wind, or ice (7)EROSION
- 4 Down: When light bounces off a surface like a mirror (10)REFLECTION
- 6 Down: To find the size, amount, or degree of something (7)MEASURE
🔬 Science Crossword #4
13×13 grid
Across
- 1 A mountain with an opening that can erupt hot lava
- 3 A tool that makes very tiny things look bigger
- 6 A pure substance made of only one type of atom
- 8 A gas in the air that living things need to breathe
Down
- 2 The rate at which something speeds up
- 4 The slow process of living things changing over many years
- 5 How tightly packed the matter is in something
- 7 A pattern of energy moving through space or matter
Answers
- 1 Across: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 3 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 6 Across: A pure substance made of only one type of atom (7)ELEMENT
- 8 Across: A gas in the air that living things need to breathe (6)OXYGEN
- 2 Down: The rate at which something speeds up (12)ACCELERATION
- 4 Down: The slow process of living things changing over many years (9)EVOLUTION
- 5 Down: How tightly packed the matter is in something (7)DENSITY
- 7 Down: A pattern of energy moving through space or matter (4)WAVE
🔬 Science Crossword #5
13×13 grid
Across
- 3 The tiny building block that makes up all living things
- 6 The molecule inside cells that carries instructions for life
- 8 To sort things into groups based on their features
- 9 When a solid mixes into a liquid and seems to disappear
Down
- 1 The upward force that makes things float in water
- 2 How tightly packed the matter is in something
- 4 A state of matter that flows and takes the shape of its container
- 5 A group of living things that are the same kind
- 7 A form of energy that makes things warm
Answers
- 3 Across: The tiny building block that makes up all living things (4)CELL
- 6 Across: The molecule inside cells that carries instructions for life (3)DNA
- 8 Across: To sort things into groups based on their features (8)CLASSIFY
- 9 Across: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 1 Down: The upward force that makes things float in water (8)BUOYANCY
- 2 Down: How tightly packed the matter is in something (7)DENSITY
- 4 Down: A state of matter that flows and takes the shape of its container (6)LIQUID
- 5 Down: A group of living things that are the same kind (7)SPECIES
- 7 Down: A form of energy that makes things warm (4)HEAT
Solver Notes
- 2. To sort things into groups based on their features
- 5. A glass building for growing plants or the warming effect on Earth
- 8. To write down information for later use
- 9. A path that electricity travels along
- 10. To find the size, amount, or degree of something
- 1. Any living thing such as a plant or animal
- 3. The smallest piece of matter that makes up everything
- 4. How hot or cold something is
- 6. How tightly packed the matter is in something
- 7. A state of matter that holds its shape
Enjoy our collection of classic crossword puzzles featuring traditional grid layouts and a wide range of topics. Each puzzle is free to download, print, and solve at your own pace.
What are classic crossword puzzles?
Classic crossword puzzles use a traditional symmetric grid where solvers fill in words based on numbered clues. Each puzzle features interlocking horizontal and vertical answers that share common letters, creating an engaging word challenge.
How do I solve a classic crossword puzzle?
Start with the clues you know for certain and fill in those answers first. Use the crossing letters to help you figure out harder clues. Work through the across and down clues systematically, and don't be afraid to use a pencil so you can erase.
Who are classic crosswords best suited for?
Classic crossword puzzles are ideal for adults and older students who enjoy vocabulary challenges and general knowledge trivia. They work well for solo relaxation, classroom activities, or group puzzle-solving sessions.
How many classic crossword puzzles are available?
Our library includes dozens of classic crossword puzzles spanning topics like general knowledge, geography, history, and sports. New puzzles are added regularly so you always have fresh challenges to print and solve.
What is the difference between classic and quick crosswords?
Classic crossword puzzles use larger grids with more complex clues and require broader vocabulary knowledge. Quick crosswords feature smaller grids and simpler clues, making them faster to complete and more accessible for beginners.